US9203224B2 - Electrical junction box - Google Patents

Electrical junction box Download PDF

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Publication number
US9203224B2
US9203224B2 US14/420,446 US201314420446A US9203224B2 US 9203224 B2 US9203224 B2 US 9203224B2 US 201314420446 A US201314420446 A US 201314420446A US 9203224 B2 US9203224 B2 US 9203224B2
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US
United States
Prior art keywords
accommodating part
bonder cap
terminal
attached
low profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US14/420,446
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English (en)
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US20150236489A1 (en
Inventor
Masaki Yamamoto
Kazutoshi Kurachi
Kei Tomita
Taisuke Tomita
Takayoshi Marui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
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Yazaki Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Assigned to YAZAKI CORPORATION reassignment YAZAKI CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KURACHI, KAZUTOSHI, MARUI, Takayoshi, TOMITA, KEI, TOMITA, TAISUKE, YAMAMOTO, MASAKI
Publication of US20150236489A1 publication Critical patent/US20150236489A1/en
Application granted granted Critical
Publication of US9203224B2 publication Critical patent/US9203224B2/en
Assigned to YAZAKI CORPORATION reassignment YAZAKI CORPORATION CHANGE OF ADDRESS Assignors: YAZAKI CORPORATION
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end

Definitions

  • the present invention relates to an electrical junction box having a frame with a bonder cap accommodating part and a terminal-attached wire accommodating part.
  • FIG. 4 is a perspective view of a frame used in conventional electrical junction boxes. In the figure, a bonder cap is press-fitted into a bonder cap accommodating part of the frame.
  • FIG. 5 is a perspective view only showing the frame of FIG. 4 .
  • the frame 302 is formed of synthetic rubber and has the bonder cap accommodating part 306 into which the bonder cap 5 is press-fitted, a terminal-attached wire accommodating part 307 into which a terminal-attached wire is inserted, and a threading hole 309 through which a bundling tie 308 passes.
  • FIGS. 4 and 5 each show a portion of the frame 302 .
  • the bonder cap accommodating part 306 is formed in a shape of a bottomed tube that can accommodate the bonder cap 5 .
  • the bonder cap 5 is put over an edge of a wire bundle 4 to protect a portion where core wires of the wires are electrically connected.
  • the terminal-attached wire accommodating part 307 is formed in a shape of a tube and positioned adjacent to the bonder cap accommodating part 306 .
  • An edge forming an insertion port of the bonder cap accommodating part 306 projects beyond an edge forming an insertion port of the terminal-attached wire accommodating part 307 .
  • the threading hole 309 is provided in the vicinity of the insertion port of the bonder cap accommodating part 306 .
  • the bundling tie 308 passing through the threading hole 309 is wound around a periphery of the wire bundle 4 , as shown in FIG. 4 , to prevent the bonder cap 5 from falling out of the bonder cap accommodating part 306 .
  • the first problem is that since the edge forming the insertion port of the bonder cap accommodating part 306 projects beyond the edge forming the insertion port of the terminal-attached wire accommodating part 307 , a terminal-attached wire is hard to be inserted into the terminal-attached wire accommodating part 307 .
  • the second problem is that since the frame 302 has the threading hole 309 , the shape of a mold for manufacturing the frame 302 becomes complicated. Also, since the bundling tie 308 is used for preventing the bonder cap 5 from falling out, the cost of components and the assembling man-hour undesirably increase.
  • the inventors of the present invention have found a method in which the bonder cap 5 is prevented from falling out by holding the cap 5 with a cover attached to the frame 302 , instead with the threading hole 309 and the bundling tie 308 .
  • the method however cannot solve the first problem.
  • a first object of the present invention is to provide an electrical junction box which prevents the bonder cap from falling out of the bonder cap accommodating part without using the bundling tie
  • a second object of the present invention is to provide an electrical junction box which allows a user to easily insert the terminal-attached wire into the terminal-attached wire accommodating part, as well as preventing the bonder cap from falling out of the bonder cap accommodating part without using the bundling tie.
  • the invention is an electrical junction box including a frame and a cover attached to the frame, the frame including a bonder cap accommodating part into which a bonder cap is press-fitted, the bonder cap being put over an edge of a wire bundle to protect a portion where core wires of the wires are electrically connected to each other, and a terminal-attached wire accommodating part into which a terminal-attached wire is inserted, the cover being attached to near insertion ports of the bonder cap accommodating part and the terminal-attached wire accommodating part.
  • An edge forming the insertion port of the bonder cap accommodating part includes a low profile portion and a projecting portion projecting beyond the low profile portion.
  • the terminal-attached wire accommodating part is preferably adjacent to the low profile portion, and the low profile portion has the same height as that of an edge forming the insertion port of the terminal-attached wire accommodating part.
  • the edge forming the insertion port of the bonder cap accommodating part includes the low profile portion and the projecting portion projecting beyond the low profile portion.
  • the distance between the low profile portion and the cover is longer than the full length of the bonder cap, the distance between the most projected portion of the projecting portion and the cover is shorter than the full length of the bonder cap, and the wire bundle is bent toward the low profile portion.
  • elastic resilience of the bent wire bundle acts to tilt the bonder cap toward the projecting portion opposite to the low profile portion, so that the bonder cap is caught between a wall on the projecting portion side and the cover to be prevented from falling out.
  • the terminal-attached wire accommodating part is adjacent to the low profile portion, and the low profile portion has the same height as that of the edge forming the insertion port of the terminal-attached wire accommodating part. Accordingly, an electrical junction box is provided which allows a user to easily insert a terminal-attached wire into a terminal-attached wire accommodating part, as well as preventing a bonder cap from falling out of a bonder cap accommodating part without using a bundling tie.
  • FIG. 1 is a perspective view of a frame used in an electrical junction box according to an embodiment of the present invention.
  • FIG. 2 is a cross sectional view of the frame shown in FIG. 1 with a bonder cap press-fitted into a bonder cap accommodating part of the frame and a cover attached to the frame.
  • FIG. 3 is a view for explaining the operation and effect of the electrical junction box shown in FIG. 2 .
  • FIG. 4 is a perspective view of a frame used in conventional electrical junction boxes with a bonder cap press-fitted into a bonder cap accommodating part of the frame.
  • FIG. 5 is a perspective view only showing the frame shown in FIG. 4 .
  • junction box An “electrical junction box” according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3 .
  • the “electrical junction box” is mounted on automobiles, and supplies power and transmits a signal to electronic equipment mounted on the automobiles.
  • a junction block also referred to as junction box
  • a fuse block also referred to as fuse box
  • a relay block also referred to as relay box
  • the electrical junction box 1 includes a frame 2 made of synthetic resin and a cover 3 made of synthetic resin that is attached to the frame 2 , as shown in FIG. 2 .
  • the frame 2 includes a bonder cap accommodating part 6 into which a bonder cap 5 is press-fitted and a plurality of terminal-attached wire accommodating parts 7 into which a terminal-attached wire is inserted, as shown in FIG. 1 .
  • FIG. 1 shows a portion of the frame 2 .
  • the bonder cap accommodating part 6 is formed in a shape of a bottomed tube that can accommodate the bonder cap 5 .
  • the reference number 64 in FIGS. 1 and 2 indicates a peripheral wall forming the bonder cap accommodating part 6
  • the reference number 63 indicates a bottom wall
  • the reference number 60 indicates an insertion port.
  • An edge forming the insertion port 60 of the bonder cap accommodating part 6 includes a low profile portion 61 with the same height as that of an edge forming an insertion port 70 of the terminal-attached wire accommodating part 7 , and a projecting portion 62 projecting beyond the low profile portion 61 . That is, the edge forming the insertion port 70 of the terminal-attached wire accommodating part 7 has a uniform height, whereas the edge forming the insertion port 60 of the bonder cap accommodating part 6 is slanted.
  • the bonder cap 5 is put over an edge of a wire bundle 4 to protect a portion where core wires of the wires are electrically connected to each other and is made of synthetic resin.
  • Each wire is a coated wire with the insulating coating removed at an edge to expose a core wire.
  • the core wires of the wires are electrically connected to each other such as by welding.
  • the bonder cap 5 covers the portion where the core wires are electrically connected to each other for waterproofing and insulation.
  • the terminal-attached wire accommodating part 7 is formed in a shape of a tube.
  • the one positioned adjacent to the bonder cap accommodating part 6 is adjacent to the low profile portion 61 of the bonder cap accommodating part 6 .
  • the low profile portion 61 of the bonder cap accommodating part 6 has the same height as that of the edge forming the insertion port 70 of the adjacent terminal-attached wire accommodating part 7 .
  • terminal-attached wire accommodating parts 7 have the same height in the present embodiment, the terminal-attached wire accommodating parts 7 not adjacent to the bonder cap accommodating part 6 may have the edges projecting beyond the low profile portion 61 .
  • the cover 3 is attached to the bonder cap accommodating part 6 and the terminal-attached wire accommodating part 7 near the insertion ports 60 and 70 thereof.
  • a distance K 1 between the low profile portion 61 and the cover 3 is longer than the full length L of the bonder cap 5
  • a distance K 2 between the most projected portion of the projecting portion 62 and the cover 3 is shorter than the full length L of the bonder cap 5 .
  • the wire bundle 4 outside the bonder cap accommodating part 6 is bent toward the low profile portion 61 .
  • the terminal-attached wire accommodating part 7 positioned adjacent to the bonder cap accommodating part 6 is adjacent to the low profile portion 61 of the bonder cap accommodating part 6 , so that the terminal-attached wire can be easily inserted into the terminal-attached wire accommodating part 7 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
US14/420,446 2012-08-22 2013-08-21 Electrical junction box Active US9203224B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012182963A JP5896416B2 (ja) 2012-08-22 2012-08-22 電気接続箱
JP2012-182963 2012-08-22
PCT/JP2013/072239 WO2014030660A1 (ja) 2012-08-22 2013-08-21 電気接続箱

Publications (2)

Publication Number Publication Date
US20150236489A1 US20150236489A1 (en) 2015-08-20
US9203224B2 true US9203224B2 (en) 2015-12-01

Family

ID=50149966

Family Applications (1)

Application Number Title Priority Date Filing Date
US14/420,446 Active US9203224B2 (en) 2012-08-22 2013-08-21 Electrical junction box

Country Status (6)

Country Link
US (1) US9203224B2 (zh)
JP (1) JP5896416B2 (zh)
CN (1) CN104604062B (zh)
DE (1) DE112013004137B4 (zh)
IN (1) IN2015KN00330A (zh)
WO (1) WO2014030660A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10819045B2 (en) 2018-11-29 2020-10-27 Yazaki Corporation Bonder cap accommodating structure, electrical connection box, and wire harness
US11427142B2 (en) * 2019-11-27 2022-08-30 Yazaki Corporation Electrical connection box with bonder cap and shallow/deep bottom parts, and wire harness including same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6919599B2 (ja) * 2018-03-05 2021-08-18 住友電装株式会社 電気接続箱

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587556A (en) * 1993-12-20 1996-12-24 Yazaki Corporation Protective casing for end connecting part of wire
US5747737A (en) * 1996-02-16 1998-05-05 Keith D. Waehner Internally connected junction box
US6172300B1 (en) * 1998-03-04 2001-01-09 Sumitomo Wiring Systems, Ltd. Support structure for connecting sections of wire harnesses
US20030017727A1 (en) * 2001-07-23 2003-01-23 Hiroyuki Seo Junction box
US6527571B2 (en) * 1998-11-30 2003-03-04 Sumitomo Wiring Systems, Ltd. Electrical connecting configuration
JP2004088946A (ja) 2002-08-28 2004-03-18 Yazaki Corp 分割式接続ブロック
US20050208793A1 (en) * 2004-03-22 2005-09-22 Yazaki Corporation Electric junction box
US20090221160A1 (en) * 2008-02-29 2009-09-03 Sumitomo Wiring Systems, Ltd. Electric junction box for motor vehicle
US20100144170A1 (en) 2008-12-08 2010-06-10 Yazaki Corporation Electric junction box
JP2012085431A (ja) 2010-10-12 2012-04-26 Yazaki Corp 電気接続箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3191906B2 (ja) * 1995-07-03 2001-07-23 矢崎総業株式会社 電線接続部の収納構造
JP2000069647A (ja) * 1998-08-19 2000-03-03 Sumitomo Wiring Syst Ltd 電気接続箱におけるワイヤハーネスの接続部の保持構造
JP2001186630A (ja) * 1999-12-24 2001-07-06 Sumitomo Wiring Syst Ltd 電気接続箱

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587556A (en) * 1993-12-20 1996-12-24 Yazaki Corporation Protective casing for end connecting part of wire
US5747737A (en) * 1996-02-16 1998-05-05 Keith D. Waehner Internally connected junction box
US6172300B1 (en) * 1998-03-04 2001-01-09 Sumitomo Wiring Systems, Ltd. Support structure for connecting sections of wire harnesses
US6527571B2 (en) * 1998-11-30 2003-03-04 Sumitomo Wiring Systems, Ltd. Electrical connecting configuration
US20030017727A1 (en) * 2001-07-23 2003-01-23 Hiroyuki Seo Junction box
JP2004088946A (ja) 2002-08-28 2004-03-18 Yazaki Corp 分割式接続ブロック
US20050208793A1 (en) * 2004-03-22 2005-09-22 Yazaki Corporation Electric junction box
US20090221160A1 (en) * 2008-02-29 2009-09-03 Sumitomo Wiring Systems, Ltd. Electric junction box for motor vehicle
US20100144170A1 (en) 2008-12-08 2010-06-10 Yazaki Corporation Electric junction box
JP2010136570A (ja) 2008-12-08 2010-06-17 Yazaki Corp 電気接続箱
US8338708B2 (en) * 2008-12-08 2012-12-25 Yazaki Corporation Electric junction box joint structure
JP2012085431A (ja) 2010-10-12 2012-04-26 Yazaki Corp 電気接続箱

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
International Search Report of PCT/JP2013/072239 dated Sep. 24, 2013.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10819045B2 (en) 2018-11-29 2020-10-27 Yazaki Corporation Bonder cap accommodating structure, electrical connection box, and wire harness
US11427142B2 (en) * 2019-11-27 2022-08-30 Yazaki Corporation Electrical connection box with bonder cap and shallow/deep bottom parts, and wire harness including same

Also Published As

Publication number Publication date
IN2015KN00330A (zh) 2015-07-10
CN104604062A (zh) 2015-05-06
JP2014042388A (ja) 2014-03-06
DE112013004137B4 (de) 2023-06-15
CN104604062B (zh) 2017-02-22
JP5896416B2 (ja) 2016-03-30
US20150236489A1 (en) 2015-08-20
DE112013004137T5 (de) 2015-05-07
WO2014030660A1 (ja) 2014-02-27

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